Ergonomic Ball Chairs

The Freedom task chair revolutionizes the way people sit. With its weight-sensitive recline and synchronously adjustable armrests, it set new standards for task chair performance and functionality. With a sculpted foam backrest to match the contours of the human body and thick cushions for long lasting comfort, it provides a custom ergonomic fit for every user..Long Lasting Comfort: Freedom's body-fitting contours ensure the user sits in comfort all day long. Our cushions are built to maximize comfort for four hours, rather than the industry standard four minutes, which is as long as a sit-test in a new chair generally lasts..Effortless Recline: Freedom's intelligent recline mechanism automatically provides custom support for every user, and encourages healthy, spontaneous movement throughout the day. Without cumbersome knobs or levers, and with no manual adjustments, Freedom task makes active sitting effortless..Intuitive Adjustment: The revolutionary design of the Freedom's backrest allows automatic pivoting to accommodate the changing needs of the spine. Its synchronous armrests stay with the user during recline, for constant support and ongoing comfort..Niels Diffrient's "gold standard in office seating" (The New York Times) eliminates levers, dials & other mechanisms to provide physics-driven, ergonomic support that's as simple as it is elegant. Its headrest also moves with you, seamlessly supporting the head and neck in any posture - no manual adjustment required.

With a minimal aesthetic that complements any space, the Liberty chair is the ideal seating solution for the modern work environment. With advanced features, including automatic, weight-sensitive recline, arm rests that are attached to the back of the chair for constant support and an innovative tri-panel mesh backrest, Liberty combines performance, simplicity and beauty. With fewer parts than traditional task chairs, Liberty is a timeless and environmentally friendly design..Effortless Recline: Liberty's intelligent mechanism-free recline uses the laws of physics and the sitter's weight to automatically provide the perfect amount of support through the full range of recline. Without manual controls to adjust, the user can change postures effortlessly throughout the day..Custom Fit: Liberty's mesh back is formed by combining three panels of non-stretch mesh material in the same way a tailor combines multiple pieces of fabric to create a shirt. Its contours are made to custom fit and support each individual sitter throughout the day..Encourages Movement: Liberty was engineered to automatically adjust to whoever sits in it, instantly accommodating each user regardless of size and weight. Because it has no manual adjustments and features Humanscale's weight-sensitive recline, the user can move easily and without restrictions..A world-class ergonomic task chair with minimalist charms, Liberty projects versatility in both style and function. A form-sensing mesh back supports your unique pressure points while encouraging freedom of movement.

With a minimal aesthetic that complements any space, the Liberty chair is the ideal seating solution for the modern work environment. With advanced features, including automatic, weight-sensitive recline, arm rests that are attached to the back of the chair for constant support and an innovative tri-panel mesh backrest, Liberty combines performance, simplicity and beauty. With fewer parts than traditional task chairs, Liberty is a timeless and environmentally friendly design..Effortless Recline: Liberty's intelligent mechanism-free recline uses the laws of physics and the sitter's weight to automatically provide the perfect amount of support through the full range of recline. Without manual controls to adjust, the user can change postures effortlessly throughout the day..Custom Fit: Liberty's mesh back is formed by combining three panels of non-stretch mesh material in the same way a tailor combines multiple pieces of fabric to create a shirt. Its contours are made to custom fit and support each individual sitter throughout the day..Encourages Movement: Liberty was engineered to automatically adjust to whoever sits in it, instantly accommodating each user regardless of size and weight. Because it has no manual adjustments and features Humanscale's weight-sensitive recline, the user can move easily and without restrictions..A world-class ergonomic task chair with minimalist charms, Liberty projects versatility in both style and function. A form-sensing mesh back supports your unique pressure points while encouraging freedom of movement.

The Freedom task chair revolutionizes the way people sit. With its weight-sensitive recline and synchronously adjustable armrests, it set new standards for task chair performance and functionality. With a sculpted foam backrest to match the contours of the human body and thick cushions for long lasting comfort, it provides a custom ergonomic fit for every user..Long Lasting Comfort: Freedom's body-fitting contours ensure the user sits in comfort all day long. Our cushions are built to maximize comfort for four hours, rather than the industry standard four minutes, which is as long as a sit-test in a new chair generally lasts..Effortless Recline: Freedom's intelligent recline mechanism automatically provides custom support for every user, and encourages healthy, spontaneous movement throughout the day. Without cumbersome knobs or levers, and with no manual adjustments, Freedom task makes active sitting effortless..Intuitive Adjustment: The revolutionary design of the Freedom's backrest allows automatic pivoting to accommodate the changing needs of the spine. Its synchronous armrests stay with the user during recline, for constant support and ongoing comfort..Niels Diffrient's "gold standard in office seating" (The New York Times) eliminates levers, dials & other mechanisms to provide physics-driven, ergonomic support that's as simple as it is elegant. Its headrest also moves with you, seamlessly supporting the head and neck in any posture - no manual adjustment required.

The Freedom task chair revolutionizes the way people sit. With its weight-sensitive recline and synchronously adjustable armrests, it set new standards for task chair performance and functionality. With a sculpted foam backrest to match the contours of the human body and thick cushions for long lasting comfort, it provides a custom ergonomic fit for every user..Long Lasting Comfort: Freedom's body-fitting contours ensure the user sits in comfort all day long. Our cushions are built to maximize comfort for four hours, rather than the industry standard four minutes, which is as long as a sit-test in a new chair generally lasts..Effortless Recline: Freedom's intelligent recline mechanism automatically provides custom support for every user, and encourages healthy, spontaneous movement throughout the day. Without cumbersome knobs or levers, and with no manual adjustments, Freedom task makes active sitting effortless..Intuitive Adjustment: The revolutionary design of the Freedom's backrest allows automatic pivoting to accommodate the changing needs of the spine. Its synchronous armrests stay with the user during recline, for constant support and ongoing comfort..Niels Diffrient's "gold standard in office seating" (The New York Times) eliminates levers, dials & other mechanisms to provide physics-driven, ergonomic support that's as simple as it is elegant. Its headrest also moves with you, seamlessly supporting the head and neck in any posture - no manual adjustment required.

Studies show that comfortable employees are happier and more productive. In the modern workplace, the ability to move is increasingly important for overall comfort and well-being. Ballo makes movement effortless, while its lightweight design makes it easy to transport for spontaneous use..Ballo combines functional, innovative design with the playfulness of an exercise ball. Its counterweighted base helps Ballo remain upright for stable movement and convenient storage. The result is a multipurpose stool that allows users to move with ease..Weighing just 13.5 pounds and fitted with hand-holds for easy portability, Ballo is the perfect match for any space where short-term sitting and flexibility are priorities. It’s the ideal multipurpose stool for collaboration spaces, cafeterias and reception areas, as well as traditional workspaces and home offices..Ballo was designed to stand the test of time. Its classic design and durable materials make it a valuable investment for any space. Made from non-slip TPV material, Ballo’s symmetrical top domes are easy to clean and its compact shape makes storage simple..Ballo promotes playful productivity for collaborations and short-term sitting assignments..Net Positive certification means every Ballo produced helps actively offset climate damage..Ballo is a dynamic multipurpose stool designed with Don Chadwick to encourage movement and actively engage you while working at home or in the office. Its compact central column & lightweight air domes provide ergonomic support and allow easy transport for spontaneous use.

Studies show that comfortable employees are happier and more productive. In the modern workplace, the ability to move is increasingly important for overall comfort and well-being. Ballo makes movement effortless, while its lightweight design makes it easy to transport for spontaneous use..Ballo combines functional, innovative design with the playfulness of an exercise ball. Its counterweighted base helps Ballo remain upright for stable movement and convenient storage. The result is a multipurpose stool that allows users to move with ease..Weighing just 13.5 pounds and fitted with hand-holds for easy portability, Ballo is the perfect match for any space where short-term sitting and flexibility are priorities. It’s the ideal multipurpose stool for collaboration spaces, cafeterias and reception areas, as well as traditional workspaces and home offices..Ballo was designed to stand the test of time. Its classic design and durable materials make it a valuable investment for any space. Made from non-slip TPV material, Ballo’s symmetrical top domes are easy to clean and its compact shape makes storage simple..Ballo promotes playful productivity for collaborations and short-term sitting assignments..Net Positive certification means every Ballo produced helps actively offset climate damage..Ballo is a dynamic multipurpose stool designed with Don Chadwick to encourage movement and actively engage you while working at home or in the office. Its compact central column & lightweight air domes provide ergonomic support and allow easy transport for spontaneous use.

Studies show that comfortable employees are happier and more productive. In the modern workplace, the ability to move is increasingly important for overall comfort and well-being. Ballo makes movement effortless, while its lightweight design makes it easy to transport for spontaneous use..Ballo combines functional, innovative design with the playfulness of an exercise ball. Its counterweighted base helps Ballo remain upright for stable movement and convenient storage. The result is a multipurpose stool that allows users to move with ease..Weighing just 13.5 pounds and fitted with hand-holds for easy portability, Ballo is the perfect match for any space where short-term sitting and flexibility are priorities. It’s the ideal multipurpose stool for collaboration spaces, cafeterias and reception areas, as well as traditional workspaces and home offices..Ballo was designed to stand the test of time. Its classic design and durable materials make it a valuable investment for any space. Made from non-slip TPV material, Ballo’s symmetrical top domes are easy to clean and its compact shape makes storage simple..Ballo promotes playful productivity for collaborations and short-term sitting assignments..Net Positive certification means every Ballo produced helps actively offset climate damage..Ballo is a dynamic multipurpose stool designed with Don Chadwick to encourage movement and actively engage you while working at home or in the office. Its compact central column & lightweight air domes provide ergonomic support and allow easy transport for spontaneous use.

Adjustable height balance stool lets you perch near standing (perfect for standing desks), sit still, or gently rock, tip, twist, swivel and move while sitting normally..Active Balance Stool - rock, tip, twist and move with this elegant active balance stool.Black, PU-Leather Seat offers enough grip to lean and is easy to clean (wipes clean with a damp cloth).Approx 13" footprint with height adjustable from approx. 23-33".Premier 3" molded cushioned seat waterfalls over the edgeless seat frame for enhanced comfort.More functional, fun and aesthetic than a balance ball.Adjustable height 23" - 33” and swivels 360 degrees.250 lb. weight capacity.Full Assembly Required

Niels Diffrient designed Diffrient World to offer ease of use and effortless functionality. With weight-sensitive recline that adjusts automatically and armrests that are attached to the back of the chair so they move with the user for ergonomic comfort, Diffrient World provides custom comfort for every sitter. A high quality, affordable task chair with minimal parts, Diffrient World was built with longevity in mind and will look as good in ten years as it does today..Form-Sensing Mesh: Tri-panel, non-stretch mesh construction creates body-fitting contours and self-adjusting lumbar support for a customized fit.Self-Adjusting Recline: Intelligent counter-balance recline mechanism automatically provides the right amount of support through the full range of recline motion, regardless of user size and weight with no tension springs and recline locks to adjust.Pivoting Backrest: Extra motion of the backrest during recline automatically adjusts to the changing needs of the spine. Provides additional lumbar support as needed.Synchronous Armrests: Revolutionary armrests move in tandem to eliminate uneven arm positioning. Natural lift and release action for immediate repositioning without any buttons or lock. Attached to backrest so arms stay in same relation to body during recline. Duron arm pad for durability and comfort.Non-Stretch Mesh Seat: Automatically sculpts to match body contours. Cradles the body in flexible, breathable mesh. Frameless front edge eliminates contact stress under the thighs.Diffrient World delivers all-mesh elegance, merging premium lumbar care with adaptability. Niels Diffrient's full-function ergonomic task chair looks at home in any modern office and offers customized back support through physics-powered design and tri-panel mesh.

Niels Diffrient designed Diffrient World to offer ease of use and effortless functionality. With weight-sensitive recline that adjusts automatically and armrests that are attached to the back of the chair so they move with the user for ergonomic comfort, Diffrient World provides custom comfort for every sitter. A high quality, affordable task chair with minimal parts, Diffrient World was built with longevity in mind and will look as good in ten years as it does today..Invisible Recline Mechanism: Diffrient World uses the laws of physics and harnesses the user's body weight to automatically provide the right amount of recline for every individual, every time. Its groundbreaking mechanism-free recline action leverages two parts of the chair's frame to provide automatic, balanced support throughout the full range of motion for maximum support..Responsive Bracket: Diffrient developed the chair's back using the laws of physics, which eliminates the requirement for a separate lumbar support, which tends to create a pressure point and requires manual adjustment. With patented Form Sensing Mesh Technology, the backrest perfectly conforms to the sitter's entire back as if custom made for them..Sitting on Air: A truly lightweight chair, Diffrient World replaces the standard cushion seat with a low-abrasion, non-stretch mesh. To maximize comfort, Diffrient eliminated the front edge of the chair, solving a perennial problem of hard edges placing pressure on the knees and contact stress behind the thighs, allowing long-term comfort and total supports for every sitter..Diffrient World delivers all-mesh elegance, merging premium lumbar care with adaptability. Niels Diffrient's full-function ergonomic task chair looks at home in any modern office and offers customized back support through physics-powered design and tri-panel mesh.

Wobble Stool - an elegant, durable and comfortable balance chair designed for the modern office. ACTIVE SITTING CHAIR - Wobble Stool’s patented base encourages you to rock, swivel, tilt, lean and move while sitting. We designed the bottom so you don’t have to be in constant motion - it’s easy and convenient to sit still and focus on this comfortable office stool. STANDING DESK STOOL - The height-adjustable Wobble Stool extends from approximately 23-33”, letting you “perch” near standing height. It’s the perfect companion for your standing desk, giving you a place to take a rest without going all the way back down to sitting..Perch yourself near standing height quickly move between sitting and standing.ADJUSTABLE HEIGHT from 22-33”- Swivels 360-degrees.FRAMELESS seat with extra cushioning and premium fabric for improved comfort.ROUNDED BASE is stable & lets the stool move with you to burn calories. Special design allows you to sit normally without constant movement.RUBBERIZED BOTTOM is non-skid and weighted so the stool always returns upright.Simple assembly (10 minutes - no tools required).250 lbs. Weight Capacity.13" Diameter Seat.Wobbling active sitting bar and office stool.Adjustable height active sitting office and standing desk stool lets you balance, rock, swivel, move and burn calories throughout the day. Wobble Stool adjusts tall enough to let you comfortably perch near standing height – it’s the perfect standing desk stool!

Niels Diffrient designed Diffrient World to offer ease of use and effortless functionality. With weight-sensitive recline that adjusts automatically and armrests that are attached to the back of the chair so they move with the user for ergonomic comfort, Diffrient World provides custom comfort for every sitter. A high quality, affordable task chair with minimal parts, Diffrient World was built with longevity in mind and will look as good in ten years as it does today..Invisible Recline Mechanism: Diffrient World uses the laws of physics and harnesses the user's body weight to automatically provide the right amount of recline for every individual, every time. Its groundbreaking mechanism-free recline action leverages two parts of the chair's frame to provide automatic, balanced support throughout the full range of motion for maximum support..Responsive Bracket: Diffrient developed the chair's back using the laws of physics, which eliminates the requirement for a separate lumbar support, which tends to create a pressure point and requires manual adjustment. With patented Form Sensing Mesh Technology, the backrest perfectly conforms to the sitter's entire back as if custom made for them..Sitting on Air: A truly lightweight chair, Diffrient World replaces the standard cushion seat with a low-abrasion, non-stretch mesh. To maximize comfort, Diffrient eliminated the front edge of the chair, solving a perennial problem of hard edges placing pressure on the knees and contact stress behind the thighs, allowing long-term comfort and total supports for every sitter..Diffrient World delivers all-mesh elegance, merging premium lumbar care with adaptability. Niels Diffrient's full-function ergonomic task chair looks at home in any modern office and offers customized back support through physics-powered design and tri-panel mesh.

Wobble Stool - an elegant, durable and comfortable balance chair designed for the modern office. ACTIVE SITTING CHAIR - Wobble Stool’s patented base encourages you to rock, swivel, tilt, lean and move while sitting. We designed the bottom so you don’t have to be in constant motion - it’s easy and convenient to sit still and focus on this comfortable office stool. STANDING DESK STOOL - The height-adjustable Wobble Stool extends from approximately 23-33”, letting you “perch” near standing height. It’s the perfect companion for your standing desk, giving you a place to take a rest without going all the way back down to sitting..Perch yourself near standing height quickly move between sitting and standing.ADJUSTABLE HEIGHT from 22-33”- Swivels 360-degrees.FRAMELESS seat with extra cushioning and premium fabric for improved comfort.ROUNDED BASE is stable & lets the stool move with you to burn calories. Special design allows you to sit normally without constant movement.RUBBERIZED BOTTOM is non-skid and weighted so the stool always returns upright.Simple assembly (10 minutes - no tools required).250 lbs. Weight Capacity.13" Diameter Seat.Wobbling active sitting bar and office stool.Adjustable height active sitting office and standing desk stool lets you balance, rock, swivel, move and burn calories throughout the day. Wobble Stool adjusts tall enough to let you comfortably perch near standing height – it’s the perfect standing desk stool!

This medical stool is upholstered in durable Grey, easy to clean antimicrobial vinyl, and equipped with a 4-inch thick molded foam seat that provides improved comfort and durability. It has an easy to reach gas lift seat height adjustment lever, providing a 6 inch vertical range to suit your comfort and work environment. Its base has an attractive chrome finish and provides great stability. Hooded double wheel casters make it easy to move and shift directions..Upholstered in durable antimicrobial vinyl for easy maintenance and cleaning. Antimicrobial properties help protect the product from the growth of bacteria..Adjustable seat height with a 6″ vertical height range.Attractive chrome finish on the base and gas lift.Dual wheel casters allow for easy movement.Overall Product Dimensions: 24″W x 24″D x 20.5-26.5″H.Height: 20.5″ – 26.5″H.Seat Size: 16″ W x 16″ D.Weight Capacity: 275 lbs.Assembly required.6 year mfg. limited warranty.This stool features a grey antimicrobial, easy to clean seat which is thick and comfortable, making it perfect for medical offices.

Diffrient World is Humanscale's first foray into all-mesh task seating. Designer Niels Diffrient wanted to create the most minimal, full-function task chair ever made. With an innovative three-panel mesh backrest that provides custom back and lumbar support and a lightweight design, Diffrient World is, like all of Humanscale's products, simple, beautiful, and functional. The design eliminates the need for traditional mechanisms, instead using the laws of physics and the sitter's body weight to offer perfect recline for each individual sitter. Diffrient World offers the ultimate user-friendly sitting experience..Task chair that embodies an unprecedented combination of performance, sustainability, and simplicity.Features a black frame with black mesh back and lotus textile seat.Form-sensing mesh technology provides tailor-made lumbar support without external devices or manual controls.Seat dimensions: 20.5"-28.5"H x 20.2"W.Back dimensions: 22.5"H x 16"W.Adjustable Duron arms.Chair uses the laws of physics and harnesses the user's body weight to automatically provide the right amount of recline for every individual, every time.Weight capacity: up to 300 lbs..Assembly required.Low-abrasion mesh protects clothing while providing ultimate breathability.Meets or exceeds the CAL 133, BIFMA Level 3, and GREENGUARD standards.5-year manufacturer limited warranty on textile and mesh; 15-year limited warranty on all other components